Spill-master spill master is a inorganic blend of amorphous siliceous mineral. it is lightweight, absorbent, non-toxic, nonflammable and environmentally safe and friendly. it is non-injurious to asphalt, cement, carpet, tile, soil, animal and plant life. its attributes are defined as follows: encapsulates: when spill master is scrubbed aggressively with a stiff bristle broom, it encapsulates all lost liquids including hazardous waste, heavy metals, battery acid, fuel oils, animal fats and blood borne pathogens. outperforms clay based products by an average of 14:1, and as high as 22:1. incinerates all encapsulated liquids at 500 degrees with zero ash count, some exceptions may apply such as unrefined heavy crude oil. safe for absorbing and picking up all liquid spills except hydrofluoric acid.